Question

Which of the following statements is incorrect?
(a) All living things require air to breathe
(b) We can feel air but we cannot see it
(c) Moving air makes it possible to fly a kite
(d) Air is present everywhere but not in soil
OR
Mountaineers carry oxygen cylinders with them because
(a) there is no oxygen on high mountains
(b) there is deficiency of oxygen on mountains at higher altitude
(c) oxygen is used for cooking
(d) oxygen keeps them warm at low temperature

Answer 1

Answer:

d a

Explanation:

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Answer 2

Incorrect anserws are:

air is present everywhere but not in soil

( air is present in soil)

or

there is no oxygen in high mountains

( there is presence of oxygen in high mountains but not in sufficient amounts because as we go higher in altitude the air becomed thinner.thats is why mountaineers use oxygen tanks to supply them the required amount of oxygen)